Whenever a Magic set tries something new, theres always some uncertainty
Since the forage cost can be paid by either sacrificing a Food or by exiling three cards from your graveyard, you can keep your cards around and just turn those Food tokens into a buffer army
The good news is that boxes themselves aren't super expensive, with presales on eBay dipping below $90, so if you can shop around and get a decent price on your box, you should be able to about break even, but all in all, this isn't an exciting number
Most of the games Samurais and Ninjas only appear in Kamigawa sets, while Rogues and Warriors appear in every single set
Its also an extra turn spells best friend and protects you from countermagic on the turn you want to win
All you need to do is discard the card with Faithless Looting on turn one